<html xmlns="http://www.w3.org/1999/xhtml"
    xmlns:ui="http://java.sun.com/jsf/facelets"
    xmlns:c="http://java.sun.com/jsp/jstl/core"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:f="http://java.sun.com/jsf/core"
    xmlns:fb="http://www.facebook.com/2008/fbml"
    xmlns:p="http://primefaces.org/ui">

<head>
<link rel="stylesheet" type="text/css" href="./css/styles.css" />
</head>

<h:body class="login">

<div id="fb-root"></div>
<script>
  window.fbAsyncInit = function() {

  FB.init({
    appId      : '542566145800581', // App ID
    channelUrl : '//http://localhost:8080/jsf-test', // Channel File
    status     : true, // check login status
    cookie     : true, // enable cookies to allow the server to access the session
    xfbml      : true  // parse XFBML
  });

  // Here we subscribe to the auth.authResponseChange JavaScript event. This event is fired
  // for any authentication related change, such as login, logout or session refresh. This means that
  // whenever someone who was previously logged out tries to log in again, the correct case below 
  // will be handled. 
  FB.Event.subscribe('auth.authResponseChange', function(response) {
    // Here we specify what we do with the response anytime this event occurs. 
    if (response.status === 'connected') {
      // The response object is returned with a status field that lets the app know the current
      // login status of the person. In this case, we're handling the situation where they 
      // have logged in to the app.
      retrieveUserBean();
    } else if (response.status === 'not_authorized') {
      // In this case, the person is logged into Facebook, but not into the app, so we call
      // FB.login() to prompt them to do so. 
      // In real-life usage, you wouldn't want to immediately prompt someone to login 
      // like this, for two reasons:
      // (1) JavaScript created popup windows are blocked by most browsers unless they 
      // result from direct interaction from people using the app (such as a mouse click)
      // (2) it is a bad experience to be continually prompted to login upon page load.
      FB.login();
    } else {
      // In this case, the person is not logged into Facebook, so we call the login() 
      // function to prompt them to do so. Note that at this stage there is no indication
      // of whether they are logged into the app. If they aren't then they'll see the Login
      // dialog right after they log in to Facebook. 
      // The same caveats as above apply to the FB.login() call here.
      FB.login();
    }
  });
  };


  // Load the SDK asynchronously
  (function(d){
    var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];

    if (d.getElementById(id)) { 
      return;
    }

    js = d.createElement('script');
    js.id = id;
    js.async = true;
    js.src = "//connect.facebook.net/en_US/all.js";
    ref.parentNode.insertBefore(js, ref);
  }(document));


  function retrieveUserBean() {

	FB.api('/me', function(response) {
       document.getElementById('formId:inputId').value = response.id;
       document.getElementById('formId:inputFn').value = response.first_name;
       document.getElementById('formId:inputLn').value = response.last_name;
       document.getElementById('formId:inputEmail').value = response.email;
       document.getElementById('formId:buttonId').click();

	}

  );

  }
</script>

  <script>
    //your fb login function
    function fblogin() {
      FB.logout(function(response) {
        //User logged in!
        if (response.session) {
          alert('YAY!');
        }
        else {
        // user cancelled login
          alert('NAY!');
        }
      });
    }
  </script>




<br></br>
   <h1> College Decision Helper Login</h1>
<br></br>
<br></br>
   <h:form>
   <center>
      <fb:login-button show-faces="true" width="200" max-rows="1"></fb:login-button>
   </center>
   </h:form>
<br></br>
<br></br>

<h:form id = "formId">
   <h:inputText style="visibility:hidden;" id="inputId" value="#{fbLoginBean.fb_id}"/>
   <h:inputText style="visibility:hidden;" id="inputFn" value="#{fbLoginBean.fb_firstname}"/>
   <h:inputText style="visibility:hidden;" id="inputLn" value="#{fbLoginBean.fb_lastname}"/>
   <h:inputText style="visibility:hidden;" id="inputEmail" value="#{fbLoginBean.fb_email}"/>
   <h:commandButton style="visibility:hidden;" id="buttonId" value="Button" action="#{fbLoginBean.populateUser}" />
</h:form>

</h:body>
</html>